rapid vs snell

rapid

adj
  • Violent, severe. 

  • Needing only a brief exposure time. (of a lens, plate, film, etc.) 

  • Very swift or quick. 

  • Steep, changing altitude quickly. (of a slope) 

noun
  • a rough section of a river or stream which is difficult to navigate due to the swift and turbulent motion of the water. 

snell

adj
  • Harsh, severe, or stinging. 

  • Quick, smart; sharp, active, brisk or nimble; lively. 

  • Quick-witted; clever. 

verb
  • To tie a hook to the end of a fishing line with a snell knot. 

noun
  • A short line of horsehair, gut, monofilament, etc., by which a fishhook or lure is attached to a longer (and usually heavier) line. 

How often have the words rapid and snell occurred in a corpus of books? (source: Google Ngram Viewer )